webrtc: fix crash when loading an invalid configuration

[aler9]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 54.98%. Comparing base (61382e4) to head (4d3aef0).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
internal/servers/webrtc/server.go	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4856      +/-   ##
==========================================
- Coverage   55.02%   54.98%   -0.05%     
==========================================
  Files         216      216              
  Lines       22692    22693       +1     
==========================================
- Hits        12486    12477       -9     
- Misses       9267     9277      +10     
  Partials      939      939              

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[github-actions]

This issue is mentioned in release v1.14.0 🚀
Check out the entire changelog by clicking here